Move monitoring folder to top level
This commit is contained in:
182
monitoring/munin/pvc
Executable file
182
monitoring/munin/pvc
Executable file
@ -0,0 +1,182 @@
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#!/bin/bash
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# -*- sh -*-
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: << =cut
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=head1 NAME
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pvc - Plugin to monitor a PVC cluster.
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=head1 AUTHOR
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Joshua Boniface <joshua@boniface.me>
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=head1 LICENSE
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GPLv3
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=head1 BUGS
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=back
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=head1 MAGIC MARKERS
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#%# family=auto
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#%# capabilities=autoconf
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=cut
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. "$MUNIN_LIBDIR/plugins/plugin.sh"
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is_multigraph
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warning=0.99
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critical=1.99
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export PVC_CLIENT_DIR="/run/shm/munin-pvc"
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PVC_CMD="/usr/bin/pvc --quiet --cluster local status --format json-pretty"
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JQ_CMD="/usr/bin/jq"
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output_usage() {
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echo "This plugin outputs information about a PVC cluster and node"
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exit 0
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}
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output_autoconf() {
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$PVC_CMD &>/dev/null
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pvc_ret=$?
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$JQ_CMD --version &>/dev/null
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jq_ret=$?
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if [[ ${pvc_ret} -eq 0 && ${jq_ret} -eq 0 ]]; then
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echo "yes"
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elif [[ ${pvc_ret} -ne 0 ]]; then
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echo "no (no 'pvc' command found or local cluster not usable)"
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elif [[ ${jq_ret} -ne 0 ]]; then
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echo "no (no 'jq' command found)"
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else
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echo "no (generic failure)"
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fi
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}
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output_config() {
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echo 'multigraph pvc_cluster_health'
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echo 'graph_title PVC Cluster Health'
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echo 'graph_args --base 1000'
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echo 'graph_vlabel Health%'
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echo 'graph_category pvc'
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echo 'graph_info Health of the PVC cluster'
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echo 'pvc_cluster_health.label Cluster Health'
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echo 'pvc_cluster_health.type GAUGE'
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echo 'pvc_cluster_health.max 100'
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echo 'pvc_cluster_health.min 0'
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echo 'pvc_cluster_health.info Health of the PVC cluster in %'
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echo 'multigraph pvc_cluster_alert'
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echo 'graph_title PVC Cluster Alerting'
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echo 'graph_args --base 1000'
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echo 'graph_vlabel State'
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echo 'graph_category pvc'
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echo 'graph_info Alerting state of the PVC cluster health'
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echo 'pvc_cluster_alert.label Cluster Health State'
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echo 'pvc_cluster_alert.type GAUGE'
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echo 'pvc_cluster_alert.max 2'
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echo 'pvc_cluster_alert.min 0'
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echo 'pvc_cluster_alert.info Alerting state of the PVC cluster health'
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print_warning pvc_cluster_alert
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print_critical pvc_cluster_alert
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echo 'multigraph pvc_node_health'
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echo 'graph_title PVC Node Health'
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echo 'graph_args --base 1000'
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echo 'graph_vlabel Health%'
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echo 'graph_category pvc'
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echo 'graph_info Health of the PVC node'
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echo 'pvc_node_health.label Node Health'
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echo 'pvc_node_health.type GAUGE'
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echo 'pvc_node_health.max 100'
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echo 'pvc_node_health.min 0'
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echo 'pvc_node_health.info Health of the PVC node in %'
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echo 'multigraph pvc_node_alert'
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echo 'graph_title PVC Node Alerting'
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echo 'graph_args --base 1000'
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echo 'graph_vlabel State'
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echo 'graph_category pvc'
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echo 'graph_info Alerting state of the PVC node health'
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echo 'pvc_node_alert.label Node Health State'
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echo 'pvc_node_alert.type GAUGE'
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echo 'pvc_node_alert.max 2'
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echo 'pvc_node_alert.min 0'
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echo 'pvc_node_alert.info Alerting state of the PVC node health'
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print_warning pvc_node_alert
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print_critical pvc_node_alert
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exit 0
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}
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output_values() {
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PVC_OUTPUT="$( $PVC_CMD )"
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HOST="$( hostname --short )"
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is_maintenance="$( $JQ_CMD ".maintenance" <<<"${PVC_OUTPUT}" | tr -d '"' )"
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cluster_health="$( $JQ_CMD ".cluster_health.health" <<<"${PVC_OUTPUT}" | tr -d '"' )"
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cluster_health_messages="$( $JQ_CMD -r ".cluster_health.messages | @csv" <<<"${PVC_OUTPUT}" | tr -d '"' | sed 's/,/, /g' )"
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echo 'multigraph pvc_cluster_health'
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echo "pvc_cluster_health.value ${cluster_health}"
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echo "pvc_cluster_health.extinfo ${cluster_health_messages}"
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if [[ ${cluster_health} -le 50 && ${is_maintenance} == "false" ]]; then
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cluster_health_alert=2
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elif [[ ${cluster_health} -le 90 && ${is_maintenance} == "false" ]]; then
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cluster_health_alert=1
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else
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cluster_health_alert=0
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fi
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echo 'multigraph pvc_cluster_alert'
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echo "pvc_cluster_alert.value ${cluster_health_alert}"
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node_health="$( $JQ_CMD ".node_health.${HOST}.health" <<<"${PVC_OUTPUT}" | tr -d '"' )"
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node_health_messages="$( $JQ_CMD -r ".node_health.${HOST}.messages | @csv" <<<"${PVC_OUTPUT}" | tr -d '"' | sed 's/,/, /g' )"
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echo 'multigraph pvc_node_health'
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echo "pvc_node_health.value ${node_health}"
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echo "pvc_node_health.extinfo ${node_health_messages}"
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if [[ ${node_health} -le 50 && ${is_maintenance} != "true" ]]; then
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node_health_alert=2
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elif [[ ${node_health} -le 90 && ${is_maintenance} != "true" ]]; then
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node_health_alert=1
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else
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node_health_alert=0
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fi
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echo 'multigraph pvc_node_alert'
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echo "pvc_node_alert.value ${node_health_alert}"
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}
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case $# in
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0)
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output_values
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;;
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1)
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case $1 in
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autoconf)
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output_autoconf
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;;
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config)
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output_config
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;;
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*)
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output_usage
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exit 1
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;;
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esac
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;;
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*)
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output_usage
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exit 1
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esac
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